OBDER 73. ERICACEAE. 495 



and Tenn., in sandy woods. Habit much like the last, but it is readily distin- 

 guished by its variegated leaves. Stem 3 i' high. Leaves 1 2' long, as 

 wide, marked with a whitish streak along the midvein and veinlets. Flowers 

 purplish- white, on nodding pedicels. Jn., Jl. 



SUBORDER V. GALACINE^E. 



28. GA'LAX, L. BEETLE-WEED. (Gr. yaAa, milk ; referring prob- 

 ably to its milk-white flowers.)' Calyx of 5 distinct, persistent sepals; 

 corolla of 5, oblong-obovate, distinct petals ; stamens hypogynous, fila- 

 ments 10, united into a tube with as many teeth, those opposite the pe- 

 tals sterile, anthers 5, 1 -celled opening across the top ; capsule 3-celled ; 

 seeds GO, inclosed in a loose, cellular testa. 2 Roots tufted, creeping, 

 deep red, sending up roundish-cordate, long-stalked, glabrous Ivs. and a 

 scape bearing a dense raceme of white fls. 



C. aphylla L. Damp, mountain woods, Md. (Mr. Shriver) to Tenn. (at Cumber- 

 land Gap), and S. Car. Lvs. large (2 to 3' diam.), crenate-dentate, often reniform. 

 Scape 1 to 2f high, naked except a mass of red scales at the base. Spike several 

 inches long, milk-white. Jl., Aug. 



SUBORDER VI. M N T R P E M. 



29. MONOT'ROPA, L. INDIAN PIPE. PINE SAP. (Gr. iiovo$, one, 

 rpeTTG), to turn ; i. e., turned one way.) Calyx of 1 to 5 bract-like se- 

 pals ; petals 4 to 5, connivent in a bell-shaped corolla, gibbous at base ; 

 stamens 8 to 10 ; anthers opening transversely at apex ; stigma discoid, 

 5-rayed ; capsule 4 to 5-celled, 4 to 5-valved ; seeds numerous, minute. 

 Low, parasitic herbs, of a white or tawny color, furnished with scale- 

 like bracts instead of leaves. 



Sepals (or bracts) 1 to 3. Flower solitary, scentless. Style very short No. 1 



Sepals 4 or 5. Flowers in a secnnd raceme, fragrant. Style long No. 2 



1 M. uniflora L. INDIAN PIPE. BIRD'S NEST. St. short ; scales approximate ; 

 fl. nodding; fr. erect. Common in woods, Can. and U. S. A small, succulent 

 plant, about 6' high, of a dirty white in all its parts. St. furnished with sessile, 

 lanceolate, semi-transparent Ivs. or bracts, and bearing a large, terminal flower, 

 sessile and nodding on the reflexed top. Common in woods, near the base of 

 trees on whose roots it is doubtless parasitic. Jn. Sept. In the southern plant 

 the flower is more or less pedunculate. 



2 M. Hypopytis L. PINE SAP. BIRD'S NEST. More or less downy ; pedicels 

 as long as the flower; caps subglobous. Woods, N. Y., Can. to Car. W. to Wise. 

 The whole plant is of a tawny white or reddish color. Root a tangled ball of 

 fibers. Scape 6 10' high, with many concave scales, covered with down. Fls. 

 7 12, in a terminal raceme, drooping at first, becoming erect. Pedicels 12" 

 long, bracts and flowers 3 times as long. Only the terminal flower is generally 

 decandrous ; the lateral ones have 8 stamens and 4 petals. Aug. 



30. SCHWEINIT'ZIA, Ell. CAROLINA BEECH-DROPS. (To Rev. Lewis 

 de Schweinitz, of N. C., a pioneer botanist.) Calyx persistent, of 5 erect, 

 ovate-acuminate sepals ; corolla persistent, campanulate, limb 5-lobed ; 

 stamens 10, anthers awnless, opening by pores at apex ; style thick, 

 stigma large, 5-angled, capsule 5-celled, 5-valved; seeds numerous, 

 minute. Plant leafless, brownish. Fls. subsessile, capitate, reddish, 

 white, with the odor of the violet. 



S. odorata Ell. Rich, shady soils, Md. to N. Car. (Curtis). Plant 3 to 4' high, 

 with the habit of Monotropa. Feb.. Mar. 



